Dream Dice RPG

I thought it would be a novel idea to give players four dice (a d4, d6, d8, and d20) to fight random monsters in an RPG. Originally you wouldnt know which dice you were rolling, but a bit of play testing revealed that to be total chaos. Then I came up with the idea to make monsters resistant to certain numbers. For instance, ogres cant be hurt by 10 or less, while bats cant be hurt by 5 or more. Then I realized I had made the basis of every RPG system. At first you dont know what abilities are e...